McKissick Sheave - 3/8 in x 7-5/8 in - Bronze Bushing

Description du produit

The McKissick Ductile Iron Sheave with bronze bushing bearing is a heavy-duty wire rope sheave engineered for crane, hoist, and rigging block applications where superior strength, toughness, enhanced bearing performance, and extended service life are required. Featuring a 7-5/8 in outside diameter and a bronze bushing bearing configuration, this sheave is designed to accept wire rope up to 3/8 in diameter, making it well-suited for light to medium capacity lifting operations in construction, industrial, marine, and oilfield environments. Ductile iron construction provides a superior combination of strength, toughness, and impact resistance compared to standard cast iron, allowing the sheave to absorb shock loads without fracturing in dynamic lifting and rigging systems.

The bronze bushing bearing provides superior lubrication retention and wear resistance compared to plain bore configurations, making this sheave well-suited for applications involving higher rotational speeds, continuous duty cycles, or environments where extended bearing service life is a priority. Bronze bushings offer excellent corrosion resistance, which is particularly advantageous in marine, offshore, and wet industrial environments where moisture and contaminants can accelerate wear in standard plain bore arrangements. The 7-5/8 in outside diameter provides an excellent rope-to-sheave diameter ratio for a 3/8 in wire rope, substantially reducing bending stress on the rope during operation and contributing to extended rope service life and reduced maintenance intervals.

The machined rope groove is precisely profiled to match the wire rope diameter, ensuring even load distribution across the rope cross-section and minimizing groove and rope wear throughout the service life of the assembly. This sheave is designed for use as a replacement or component part within McKissick and compatible wire rope block assemblies. Proper shaft fit, lubrication, and alignment are essential to achieving rated performance and maximizing service life in demanding industrial lifting and rigging operations.

Material: Ductile Iron Bronze Bushing

Compatible With: Wire Rope up to 3/8 in Diameter Standard Bore Shaft and Pin Arrangements McKissick Wire Rope Block Assemblies Compatible Replacement Block Assemblies

Uses: Heavy-Duty Crane and Hoist Block Assemblies Wire Rope Guidance and Load Transfer Construction and Industrial Rigging Marine and Offshore Block Systems Oilfield and Heavy Industry Lifting Applications Continuous-Duty and Higher-Speed Rigging Applications Replacement Sheave for Block Assemblies

Key Features: 7-5/8 in Sheave Outside Diameter 3/8 in Maximum Wire Rope Capacity Bronze Bushing Bearing for Enhanced Wear Resistance and Lubrication Retention Ductile Iron Construction for Superior Strength and Impact Resistance Favorable Rope-to-Sheave Diameter Ratio Reduces Wire Rope Bending Stress and Fatigue Machined Rope Groove Profiled for Even Load Distribution Suitable for Marine, Offshore, and Wet Industrial Environments McKissick Quality Construction